Mercurial > projects > dwt-samples
view snippets/composite/Snippet9.d @ 179:89de7ff0752c default tip
Add JFace snippet Snippet054NativeControlsInViewers, thanks to WasserDragoon
author | Frank Benoit <benoit@tionex.de> |
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date | Wed, 29 Apr 2009 11:01:41 +0200 |
parents | 1f0a7a472680 |
children |
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/******************************************************************************* * Copyright (c) 2000, 2004 IBM Corporation and others. * All rights reserved. This program and the accompanying materials * are made available under the terms of the Eclipse Public License v1.0 * which accompanies this distribution, and is available at * http://www.eclipse.org/legal/epl-v10.html * * Contributors: * IBM Corporation - initial API and implementation * D Port * Jesse Phillips <Jesse.K.Phillips+D> gmail.com *******************************************************************************/ module composite.Snippit9; /* * Composite example snippet: scroll a child control automatically * * For a list of all DWT example snippets see * http://www.eclipse.org/swt/snippets/ */ import dwt.DWT; import dwt.events.PaintListener; import dwt.graphics.Color; import dwt.graphics.Point; import dwt.graphics.Rectangle; import dwt.widgets.Composite; import dwt.widgets.Display; import dwt.widgets.Event; import dwt.widgets.Listener; import dwt.widgets.ScrollBar; import dwt.widgets.Shell; import dwt.dwthelper.utils; void main () { auto display = new Display (); auto shell = new Shell (display, DWT.SHELL_TRIM | DWT.H_SCROLL | DWT.V_SCROLL); auto composite = new Composite (shell, DWT.BORDER); composite.setSize (700, 600); auto red = display.getSystemColor (DWT.COLOR_RED); composite.addPaintListener (new class PaintListener { public void paintControl (PaintEvent e) { e.gc.setBackground (red); e.gc.fillOval (5, 5, 690, 590); } }); auto hBar = shell.getHorizontalBar (); hBar.addListener (DWT.Selection, new class Listener { public void handleEvent (Event e) { auto location = composite.getLocation (); location.x = -hBar.getSelection (); composite.setLocation (location); } }); ScrollBar vBar = shell.getVerticalBar (); vBar.addListener (DWT.Selection, new class Listener { public void handleEvent (Event e) { Point location = composite.getLocation (); location.y = -vBar.getSelection (); composite.setLocation (location); } }); shell.addListener (DWT.Resize, new class Listener { public void handleEvent (Event e) { Point size = composite.getSize (); Rectangle rect = shell.getClientArea (); hBar.setMaximum (size.x); vBar.setMaximum (size.y); hBar.setThumb (Math.min (size.x, rect.width)); vBar.setThumb (Math.min (size.y, rect.height)); int hPage = size.x - rect.width; int vPage = size.y - rect.height; int hSelection = hBar.getSelection (); int vSelection = vBar.getSelection (); Point location = composite.getLocation (); if (hSelection >= hPage) { if (hPage <= 0) hSelection = 0; location.x = -hSelection; } if (vSelection >= vPage) { if (vPage <= 0) vSelection = 0; location.y = -vSelection; } composite.setLocation (location); } }); shell.open (); while (!shell.isDisposed()) { if (!display.readAndDispatch ()) display.sleep (); } display.dispose (); }